CN212213816U - Upper jaw cuts bone baffle - Google Patents
Upper jaw cuts bone baffle Download PDFInfo
- Publication number
- CN212213816U CN212213816U CN202020997504.6U CN202020997504U CN212213816U CN 212213816 U CN212213816 U CN 212213816U CN 202020997504 U CN202020997504 U CN 202020997504U CN 212213816 U CN212213816 U CN 212213816U
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- maxilla
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Abstract
The utility model discloses an upper jaw cuts bone baffle, include: the base body, the first extension part, the bulge part and the second extension part; the side of the basal body facing the maxilla of the patient is provided with a groove which is matched with the teeth of the patient and is used for positioning and contacting with the teeth of the patient; one end of the first extending part is fixedly connected with the base body, and the other end of the first extending part extends upwards; one end of the bulge is fixedly connected with one end of the base body far away from the first extension part, and the other end of the bulge is fixedly connected with the second extension part; one surface of the second extension part facing the maxilla forms an arc surface attached to the surface of the maxilla, the second extension part is provided with a through hole, the through hole is matched with the tissue to be resected of the patient, and the periphery of the second extension part is consistent with the position of the osteotomy line; through using the prefabricated maxilla to cut bone baffle, combine in order to realize cutting the accurate positioning of bone line with patient's tooth in the operation to reach the effect of accurate excision pathological change position.
Description
Technical Field
The utility model relates to a medical treatment field, more specifically say, relate to a maxillary bone conduction board of cutting bone.
Background
In the surgical procedure for the removal of a tumor of the maxilla, an osteotomy operation of the maxilla is required. However, determining the range of the maxillary osteotomy is completely dependent on imaging data and clinical experience of a doctor, and thus, a maxillary osteotomy guide is applied to the intraoperative to locate the osteotomy position. At present, the maxillary bone cutting guide plate is mostly fixed by titanium nails, so that the treatment cost of a patient is increased, and secondary trauma is caused; the tooth-supported maxillary bone cutting guide plate has difficulty and inaccuracy in retention during operation due to the fact that CT cannot restore the fine anatomical structure of teeth, and maxillary bone cutting deviation occurs. Therefore, how to improve the accuracy of the maxillary osteotomy is a clinical problem to be solved urgently by the maxillary precise osteotomy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a maxillary bone cuts bone baffle aims at solving and is difficult to accurately carry out the problem of cutting the bone operation according to the osteotomy line of design before the art among the prior art.
To achieve the object, the utility model provides an upper jaw cuts bone baffle, include: the base body, the first extension part, the bulge part and the second extension part; the side of the basal body facing the maxilla of the patient is provided with a groove which is matched with the teeth of the patient and is used for positioning and contacting with the teeth of the patient; one end of the first extending part is fixedly connected with the base body, and the other end of the first extending part extends upwards; one end of the bulge is fixedly connected with one end of the base body far away from the first extension part, and the other end of the bulge is fixedly connected with the second extension part; the one side of the jaw of orientation of second extension forms the arcwall face with the laminating of maxilla surface, and the second extension is equipped with the through-hole, and this through-hole and the tissue phase-match that the patient need amputate, and the periphery and the osteotomy line position of second extension are unanimous.
Preferably, the base, the first extension, the boss, and the second extension are made of a photosensitive resin material.
Preferably, the base body, the first extension portion, the protruding portion and the second extension portion are integrally formed through 3D printing.
Preferably, the thickness of the first extension part, the thickness of the lug boss and the thickness of the second extension part are all 3-4 mm.
Compared with the prior art, the utility model has the advantages of:
through using prefabricated maxilla to cut bone conduction board, combine in order to realize cutting the accurate positioning of bone line with patient's tooth in the operation to reach the effect of accurate excision pathological change tissue, improved the efficiency of operation, alleviateed patient's misery simultaneously.
Drawings
FIG. 1 is a schematic view of the maxillary bone cutting guide of the present invention;
FIG. 2 is a side view of the maxillary bone cutting guide of the present invention;
fig. 3 is a sectional view taken along a-a in fig. 1.
The reference numbers in the figures illustrate:
1. a substrate; 2. a first extension portion; 3. a boss portion; 4. a second extension portion; 5. a groove; 6. an arc-shaped surface; 7. and a through hole.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
Referring to fig. 1, 2 and 3, a maxillary bone cutting guide includes: a base body 1, a first extension part 2, a boss part 3 and a second extension part 4; the side of the basal body 1 facing the maxilla of the patient is provided with a groove 5, and the groove 5 is matched with the teeth of the patient and is used for positioning and contacting with the teeth of the patient; one end of the first extension part 2 is fixedly connected with the base body 1, and the other end extends upwards; one end of the protruding part 3 is fixedly connected with one end of the base body 1 far away from the first extending part 2, and the other end of the protruding part 3 is fixedly connected with the second extending part 4; the side of the second extension part 4 facing the maxilla forms an arc-shaped surface 6 which is jointed with the surface of the maxilla, the second extension part 4 is provided with a through hole 7, the through hole 7 is matched with the tissue to be cut by the patient, and the periphery of the second extension part 4 is consistent with the position of the osteotomy line.
Preferably, the base 1, the first extension portion 2, the boss portion 3 and the second extension portion 4 are all made of a photosensitive resin material, and the base 1, the first extension portion 2, the boss portion 3 and the second extension portion 4 are all integrally formed by 3D printing; in addition, the thicknesses of the first extension part 2, the bulge part 3 and the second extension part 4 are all 3-4 mm; the through hole 7 of the second extension 4 is used to match with a part of the tissue to be cut off, such as tumor tissue, of a patient, so as to avoid the raised tumor tissue and facilitate the observation of a doctor.
When the maxillary osteotomy is performed, the osteotomy line of a patient needs to be accurately determined, so that accurate positioning is necessary; because the side of the basal body 1 facing the maxilla of the patient is provided with the groove 5, the groove 5 is accurately designed and manufactured according to the teeth of the patient, and the groove 5 can be accurately matched with the teeth of the patient when in use, thereby realizing the accurate positioning of the maxilla osteotomy guide plate and creating conditions for determining the osteotomy line.
When the maxillary osteotomy is performed, the maxillary osteotomy guide plate is placed at a proper position, and at the moment, the groove 5 is matched with the teeth of the patient; in addition, one end of the first extending part 2 is fixedly connected with the base body 1, the other end of the first extending part extends towards the maxilla, meanwhile, one end of the protruding part 3 is fixedly connected with one end of the base body 1 far away from the first extending part 2, and the other end of the protruding part is fixedly connected with the second extending part 4, so that the base body 1, the first extending part 2 and the protruding part 3 are respectively in positioning contact with the bottom, the inner side and the outer side of teeth of a patient, and accurate positioning of the maxilla bone cutting guide plate is achieved.
One end of the second extending part 4 is fixedly connected with the protruding part 3, the other end extends upwards, and as one surface of the second extending part facing the maxilla forms an arc-shaped surface 6 which is attached to the surface of the maxilla, when the maxilla osteotomy is performed, the base 1, the first extending part 2 and the protruding part 3 are respectively in positioning contact with the bottom, the inner side and the outer side of the teeth of a patient, and the second extending part 4 is attached to the surface of the maxilla, so that the whole maxilla osteotomy guide plate is accurately positioned relative to the maxilla; when the maxillary osteotomy is performed, a doctor can perform the accurate maxillary osteotomy only along the osteotomy line determined around the second extension part 4, and accurately cuts the diseased tissue of the patient; after the lesion tissues of the patient are cut off, the prefabricated prosthesis can be implanted into the corresponding position to assist the patient to recover the physiological function.
Through using prefabricated maxilla to cut bone conduction board, combine in order to realize cutting the accurate positioning of bone line with patient's tooth in the operation to reach the effect that the pathological change position was cut to the accuracy, improved the efficiency of operation, alleviateed patient's misery simultaneously.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (4)
1. A maxillary bone cutting guide comprising: the base body, the first extension part, the bulge part and the second extension part; the side of the basal body facing the maxilla of the patient is provided with a groove which is matched with the teeth of the patient and is used for positioning and contacting with the teeth of the patient; one end of the first extending part is fixedly connected with the base body, and the other end of the first extending part extends upwards; one end of the bulge is fixedly connected with one end of the base body far away from the first extension part, and the other end of the bulge is fixedly connected with the second extension part; the one side of the jaw of orientation of second extension forms the arcwall face with the laminating of maxilla surface, and the second extension is equipped with the through-hole, and this through-hole and the tissue phase-match that the patient need amputate, and the periphery and the osteotomy line position of second extension are unanimous.
2. The maxillary bone cutting guide of claim 1, wherein: the base body, the first extension portion, the boss portion and the second extension portion are all made of a photosensitive resin material.
3. The maxillary bone cutting guide of claim 2 wherein: the base body, the first extending portion, the protruding portion and the second extending portion are all integrally formed through 3D printing.
4. The maxillary bone cutting guide of claim 1, wherein: the thicknesses of the first extension part, the bulge part and the second extension part are all 3-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020997504.6U CN212213816U (en) | 2020-06-03 | 2020-06-03 | Upper jaw cuts bone baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020997504.6U CN212213816U (en) | 2020-06-03 | 2020-06-03 | Upper jaw cuts bone baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212213816U true CN212213816U (en) | 2020-12-25 |
Family
ID=73931674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020997504.6U Active CN212213816U (en) | 2020-06-03 | 2020-06-03 | Upper jaw cuts bone baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212213816U (en) |
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2020
- 2020-06-03 CN CN202020997504.6U patent/CN212213816U/en active Active
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